Read Sharp LC-32LE600E (serv.man7) Service Manual online
LC-32/40/46LE600E/RU/S
5 – 27
<When an external monitor is connected> No picture on the external monitor (6)-2
No picture appears on external monitor during the EXT8 input
(COMPOSITE).
(EXT8 COMP input, EXT2 output)
Checklist:
1) Are input terminal on back of TV and “INPUT SOURCE” button
1) Are input terminal on back of TV and “INPUT SOURCE” button
on the remote control set up correctly?
••• See the operation manual and
set “INPUT SOURCE” appropriately. set to EXT***.
2) Is SCART-CABLE disconnected or connected improperly?
••• Connect it correctly as per the operation manual.
Is the video signal outputted to pin (19) of SCART2 (SC502)?
YES
Check SCART2, external connection or input setting.
NO
Is the video signal (SC2-VOUT) outputted from pin (4) of IC508
(75
(75
Ω_driver)?
YES
Check IC508 and peripheral circuits.
NO
Is the Composite Video signal (CVBS_MON_OUT) outputted
from the pin (B13) of IC3303 (VCT)?
from the pin (B13) of IC3303 (VCT)?
YES
Check between IC508 and IC3303 and the peripheral circuitry.
NO
Is the Composite signal (CVBS_IN) inputted to pins (6) of EXT8
terminal normally?
terminal normally?
YES
Check a short circuit etc. between the EXT8 input terminal (pin
(6)) and IC3303 (VCT).
(6)) and IC3303 (VCT).
NO
Check whether the terminal of EXT8 is faulty, or there is not any
error in external connection.
error in external connection.
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